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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CONTROL_MOBILE_IMPL_H_
     12 #define WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CONTROL_MOBILE_IMPL_H_
     13 
     14 #include "webrtc/modules/audio_processing/include/audio_processing.h"
     15 #include "webrtc/modules/audio_processing/processing_component.h"
     16 
     17 namespace webrtc {
     18 
     19 class AudioBuffer;
     20 class CriticalSectionWrapper;
     21 
     22 class EchoControlMobileImpl : public EchoControlMobile,
     23                               public ProcessingComponent {
     24  public:
     25   EchoControlMobileImpl(const AudioProcessing* apm,
     26                         CriticalSectionWrapper* crit);
     27   virtual ~EchoControlMobileImpl();
     28 
     29   int ProcessRenderAudio(const AudioBuffer* audio);
     30   int ProcessCaptureAudio(AudioBuffer* audio);
     31 
     32   // EchoControlMobile implementation.
     33   virtual bool is_enabled() const OVERRIDE;
     34 
     35   // ProcessingComponent implementation.
     36   virtual int Initialize() OVERRIDE;
     37 
     38  private:
     39   // EchoControlMobile implementation.
     40   virtual int Enable(bool enable) OVERRIDE;
     41   virtual int set_routing_mode(RoutingMode mode) OVERRIDE;
     42   virtual RoutingMode routing_mode() const OVERRIDE;
     43   virtual int enable_comfort_noise(bool enable) OVERRIDE;
     44   virtual bool is_comfort_noise_enabled() const OVERRIDE;
     45   virtual int SetEchoPath(const void* echo_path, size_t size_bytes) OVERRIDE;
     46   virtual int GetEchoPath(void* echo_path, size_t size_bytes) const OVERRIDE;
     47 
     48   // ProcessingComponent implementation.
     49   virtual void* CreateHandle() const OVERRIDE;
     50   virtual int InitializeHandle(void* handle) const OVERRIDE;
     51   virtual int ConfigureHandle(void* handle) const OVERRIDE;
     52   virtual void DestroyHandle(void* handle) const OVERRIDE;
     53   virtual int num_handles_required() const OVERRIDE;
     54   virtual int GetHandleError(void* handle) const OVERRIDE;
     55 
     56   const AudioProcessing* apm_;
     57   CriticalSectionWrapper* crit_;
     58   RoutingMode routing_mode_;
     59   bool comfort_noise_enabled_;
     60   unsigned char* external_echo_path_;
     61 };
     62 }  // namespace webrtc
     63 
     64 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CONTROL_MOBILE_IMPL_H_
     65